Multi FM Modulator User's Manual for Generator
Contents
1. Sinus 1 Choose the Channel index Activate channel 1 by pressing the 1 button or press key 1 Click the frequency and set 100 00 MHz with the slider Set the audio source for channel 1 from none to Sinus 1 Click the displayed stereo symbol to switch to mono e OdBl 30 Sinus 1 Figure 14 Channel 1 with sinusoidal tones You can open the created project with a text viewer It should contain the following content 2 maintechy channel 1 freq 100 gain 0 volm 60 idaudio 1 used 1 mono 1 audio 1 used 1 frqi 220 frq2 110 name Sinus 1 11 2 Sending Three Different Audio Files on Three Channels In this example different music tracks are played on three different channels Do the following steps Choose menu project New or Ctrl N and choose a new project name Choose Audio Sources and add three sources with the button Source Set all channels to File Add at least three audio files with Files Drag amp Drop each of the files into one of the audio sources Choose the Channel tab Activate channel 1 2 and 3 with the mouse or by pressing the keys 1 2 and 3 Set the audio source of channel 1 to Audio 1 of channel 2 to Audio 2 and of channel 3 to Audio 3 OND OH FP WN When you check with a receiver each of the frequencies Figure 15 should play the selected audio file The track2. 6 Supplementary info code 5 no suitable diversion available tas Message HM Remove fE Label HM remove Modulator v21 24 channels Remote control Figure 11 TMC generator The window is built analogously to the RDS sources On the left one can add new sources or delete them on the right the traffic messages for a currently chosen source are edited Adding labels changes a single group traffic message into a multi group traffic message 9 1 Preconditions Reason Traffic messages Alert C will be sent in RDS group 8A some receivers need a local time stamp to work ensure TMC detection in the receiver System Information ODA link a TMC source to all desired RDS sources in the basis settings Setting activate group 8 activate group 4 activate group 3 choose source set CC with the country code first letter in PI the correct LTN for that country is assigned if not receivers may discard the messages for unknown countries Germany uses D or 1 set ECC the extended CC can be sent in group 1 Germany uses EO as ECC TMCpro TMCpro receivers have decryption keys for some sets of CC SID LTN A known set for germany is CC D SID 50 LTN 1 ENCID 31 TMC announcements are coded according to the Alert C Standard ISO 14819 1 6 For a detailed explanation of the following parameters please refer to this standard 16 maintech GmbH 9 2 System Information The TMC system informat
3. Figure 12 TMC location search Stau N lt all gt T lt all gt x U lt all gt Q lt all gt HD lt al gt c lt all gt Code Zeile N Q T D U C Refer Text 2 48 4 u A2A1D L stockender Verkehr Staugefahr queuing traffic with average sp C52 Tank und Rastanlage Rastst tte geschlossen service area restaura C89 Rastst tte wieder ge ffnet restaurant reopened Al L Stau stationary traffic 1km Stau stationary traffic for 1km 2 km Stau stationary traffic for 2 km Figure 13 TMC event search A search for the event stationary traffic should produce 116 matches A code can be moved from the search dialog to the event or location field using drag amp drop The sending state of each message can be switched between send cancel skip by double clicking the field By cancelling the corresponding cancel event from the same update class of the event is sent instead The receiver should delete the message then The event 2047 Null Message with the special Location Code 65535 can by used to delete all messages of the current service 17 5 maintech GmbH 9 4 Additional Content By adding some labels additional message content a single group traffic message becomes a multi group message Up to five RDS 8A groups are allowed per message That means 5 28 140 bits are available for additional content The diversion bit and the duration are directly sent within single
4. an IP address in the same network range Start the MultiFM software Connect service cable 4 to computer USB and modulator RS232 Choose Menu Modulator Config Choose COM port the MAC address will be displayed Fill in host IP and port number for the modulator aot WN FE Confirm by Save and Close maintech o Ae UO Ne GmbH Config via R5232 on COMm2 USB Serial Port PLL Offset 1 300 Hz PLL Offset 2 200 Hz IP address 10 0 11 231 Connect via network to Port 1234 z IP 10 0 11 231 MAC 00 22 2E 03 00 08 Port 1234 a Ca Figure 1 Building up a network connection with the Modulator Connecting the Modulator via Network Start the MultiFM software Choose menu Modulator Connect or Ctrl O Fill in host IP and port number of the modulator Click Search board button with binoculars icon and choose the modulator with a double click Confirm the selection by Connect and Close See figure 1 for examples of the Connect Window 3 3 Calibrating PLLs The device design is based on two PLLs that are in charge of the lower and upper half of the output spectrum To avoid a gap in the middle of the spectrum these two PLLs have to be aligned to each other This alignment is also necessary to remove the absolute offset of the output frequencies All devices are properly aligned during manufacturing and testing by maintech but the process ca
5. clicking the Regional field changes between yes and no Regional programs can only be sent with procedure B 8 3 RadioText MultiFM Generator 2 52 Q Daten 2 multifm test2 fm e x Project Modulator Help Cee Ee AP EARMA Basic settings Alternative Frequencies RadioText LogFiles Packet Statistics rM Transmit RadioText Group fea 64 characters 7 IV send Text A B flag Rate fo 4 s 4x Fix Schwyz quakt J rgen bl d vom Pa 00040 5 O v pE fo xB Playing 0 from 1 Fix Schwyz quakt J rgen bl d vom PaB Playing Frozen from Madonna fea cl s a O 7 AURE Transmit enhanced RadioText Group pa z Unicode coding rsa z Rate oss jaxa fe Crew E 3THX MATKHX cbpaHUysckHx Bynok Aa BbINeH yaro foxe Zazdt ge l ja 00040123456789 CreWb E 3THX MATKHX cbpaHuysckHx BynoK 4a Za gesla jazn 54 Bbine Yara 0123456789 AID ess2 Bits Joa AID 4807 Bits Joooo J RT is valid for eRT JV Transmit RadioText tags ra 7 Jos s J7 Item toggle bit l Madonna IV Item running bit Item toggle bit set automatically with ID3 tag Modulator v21 24 channels Remote control 4 rV Group 3 for enhanced RadioText IV Group 3 for RadioText Figure 9 RadioText configuration in RDS RadioText can be transmitted as normal RadioText in group
6. errors can be displayed and logged too The log can be saved as text file afterwards you can send this file repeatedly see paragraph 8 4 In Raw format the CRC values are also stored 13 bytes 8 databytes 4 x 10 bits CRC 15 maintech GmbH 9 TMC Sources Multi m Generator 2 52 Q Daten 2 multifm test2 fm Project Modulator Help Channels ew audo Gf ros A TMC TMC sources I Group 3 System Information ma LTN fi J art Mode m International V National V Regional V Urban SID so GAP E groups 0 35 s y Ta is vi Tw fis v Td Os Repeat fx 4 AID cD46 E riM Encrypt location TMCpro ENCID 31 I Rotate shift xor fo Ap Ap Rate fios 4 M TMC messages Edit message send Evet Location I7 Direction I Diversion Duration 7 Extent 2 send 1 10849 Unfall mit Q LKW N rnberg accident involving a Q heavy 43P11 send 102 10851 lorr yties Loc 10826 in D BY 5 Row 498 C 3 Q 0 5 bits Ref 4509 7074 skip 108 1234 Reference B4 Pos 11 2439 49 4586 U important Date 03 08 09 15 54 00 cancel at Ba Cancel 334 60469 10827 12753 88 70 37 send 10826 6533014 Nuernberg 49 45 R thenbach a d Pegnitz LK N rnberger Land 4 Quantifier 5 bits 2 2 2 For at least 30 minutes 10 50 km h 5 diversion bit set Search event 0 Duration Search location 3 Speed limit advice 1 Control code
7. existing project with Project Load Ctrl L e The last n projects for n 1 9 can be reopened with Ctrl Shift n 5 2 Switching Frequency Band Europe Japan The chosen frequency band can be changed by a click on the flag top right in the window or by pressing Ctrl B Ee Europe 87 50 to 108 00 MHz KJ Japan 76 00 to 90 00 MHz 5 3 Stopping and Resuming Modulation f y Clicking the D button disables the RF output of the Multi FM hardware Clicking again reenables the modulator maintech 6 Configuring Channels You can configure up to 24 single carriers depending on your licence in the channel overview Pressing key 1 0 switches the modulation of channel 1 10 on or out pressing key Ctrl 1 0 of channel 11 20 See figure 3 for an example of the channel status The following information are displayed e Channel 4 is active transmitting e Transmitting frequency is 96 00 MHz e Attenuation is 5 dB e Audio volume is 50 e Audio source is Audio 1 e RDS TMC source is RDS 1 96 00 MHz RDS 1 oa A 5 dB 50 Audio 1 T Figure 3 Channel status 6 1 Frequency Attenuation Volume Clicking on the frequency opens the slider which sets the transmitting frequency of the channel See figure 4 for an example 87 5 94 00 MHz 108 Figure 4 Frequency setting The frequency is changed by moving the red circle or by the keys Home End PageUp PageDown or by the arrow keys With the lef
8. information about a key e g help rds 1 pty REG key Register events for a key i e adjustments are monitored UNR key Do not monitor events for a key any more GET key Output the value of a key SET key value Set the value of a key on the new value value ADD key value Add a list entry DEL key Delete list entry or complete list NEW file Create a new empty project with the name file DIR path mask List files in directory path e g dir fm LOAD file Load project with the name file SAVE file Save project under the name file VER Show the versions of software generator and hardware A key always has the format g w with g group number or range n m 0 lt n lt m lt 25 and w value Command Description get channel 1 freq show frequency of channel 1 get audio 2 file show file or playlist name of Audio Source get rds 3 ps show Program Service Name of RDS Source 3 set channel 1 3 5 used 1 turns the channels 1 3 4 and 5 on get lists all currently available groups sources with numbers get channel 1 list all values of channel 1 get channel 1 3 list all values of channels 1 2 and 3 dir lists all project files in the current directory help channel 1 volm show a short description about this key channel 1 volm channel audio pcm volume linear 0 100 If an unknown command is entered a list of all commands will be shown valid commands REG UNR GET SET ADD DEL NEW LOAD SAVE DIR HELP VER If a parameter of a co
9. is transmitted in group 3 With fill you can use free groups for TMC if the maximum sending rate for RDS is not used up by the other groups With fill active the sending rate can fall below the configured setting for TMC Otherwise the free groups are filled up with 15B groups quick info 8 1 6 Group 3 ODA Open Data Applications ODA groups announce the existence of open data applications that are not defined in the RDS standard Among others these are TMC enhanced RadioText eRT and RadioText Plus RT If no group 3 is sent it is possible that the receiver cannot recognise TMC even if TMC is transmitted in group 8 Transmitting group 3 should be always activated when using ODA for TMC 8 1 7 Group 14 EON Enhanced Other Networks TP 0 off and TA 1 on signals that EON information that refer to at least one other program with traffic information are transmitted Thus RDS receivers can recognize traffic announcements in other programs RDS sources with TP 0 and TA 1 have to refer to a program with TP 1 in at least one EON group In the EON list all data have to be entered either manually channel 0 or the number of another transmitting channel program is entered into the channel field In that case the data is taken automatically from the RDS source of the other channel If the TA flag of the RDS source in the referenced channel is set to TA 1 a burst will be generated 14B groups and the receiver should tune to t
10. on off burst count group 15B ta on off burst time in dsec tmc source enabled disabled tmc source name enable amp l group3 amp 2 tmcpro amp 4 skt location table number LTN service identification SID tmc AID application id usually CD46 bits amp 192 GAP mode amp 32 AFI amp 16 Mode amp 15 MGS INRU timing active window delay for Mode 1 immediate group 8A repeat ENCID group 8A sending rate in seconds ENCID encryption id to use for TMCpro service key table for encryption duration extent event place send multigroup labels 28
11. program type defines the kind of content as a value between 0 and 31 PTY and TP are always transmitted in the second block of each RDS group You will find a table with the meanings of the different values for the PTY in the RDS standard The PI code program identification is sent in the first block two bytes of each RDS group When switching the TA bit a burst of 15B groups can be sent The number of the groups and their duration can be set for TA 1 and TA 0 If the number is set to 0 no burst will be sent If the duration is 0 or too low to transmit the number of burst groups in time no other groups will be sent between the burst groups 15B groups are also transmitted as filling groups when the set sending rates of all other groups would produce gaps in the RDS data stream or when no other groups are configured 8 1 2 Group 0 PS AF TA Program Service In group 0 program service name PS and alternative frequencies AF are configured 0A 0B and the flags music speech and TA are transmitted The code for PS is defined in table E 1 of annex E in the standard Characters can be created directly by xx from a Hex value xx Hello 21 creates a Hello 0x21 is the hex value for the exclamation mark All in all four 0 groups are necessary to transmit the PS name 8 characters completely At least two 0 groups per second should be sent which means that the sending rate should be less or equal to 0 5 seconds Accordin
12. 2 Hz 0 1 1000 1000 dB string string link rds link audio 0 1000 string Hz MHz string int Range 0 1 string 0 1 2 10 22000 Hz 10 22000 Hz 0 100 0 100 0 60 s string string string list Description toggle channel on off transmission frequency japan 76 90 gain from 0 full power to 60 noise floor audio pcm volume linear mute audio channel is 1 mono or 0 stereo deviation preemphasis O none 1 50 2 75 ps sample rate 32000 44100 or 48000 Hz auto sample rate change on song change attenuation offset attenuation unit rds file to replay used rds source id used audio source id current playback position current song filename current samplerate minimum distance in MHz to next transmitting channel transmitted RDS Log of RDS Source number number of transmitted RDS blocks one block 13 bytes Description audio source enabled disabled audio source name audio type 0 sinus 1 ramp 2 file or playlist first frequency for sinus ramp second frequency for sinus ramp first volume for sinus ramp second volume for sinus ramp ramp duration file playlist name playlist name playlist file names 26 maintech GmbH Parameter rds used rds name rds ps rds pi rds tp rds ta rds ms rds pty rds dec rds rttag rds rta rds rtb rds rtc rds rtd rds pn1 rds pn2 rds tmcsi rds rtgrp rds rtbit rds rtitm rds rtxt rds ertg rds ertb rds pss r
13. 2 or as enhanced RadioText eRT in the ODA extension of the RDS standard with the possibility of using Unicode characters It is possible to transmit both versions simultaneously with different texts but it is uncommon because of the limited bandwidth of RDS The different coding and or texts can cause different position and length specifications of the RT tags therefore it has to be set if the RT applies for RadioText or Enhanced RadioText This is signalled with a bit in ODA group 3 of the RT The groups for eRT and RT transmission have to be selected differently They are transmitted as ODA with the AID identification in 3A groups see paragraph 8 1 6 maintech GmbH 8 3 1 Standard RadioText Group 2 Normal Radio Text is transmitted in group 2 Up to 64 characters can be transmitted in 2A groups up to 32 characters in 2B groups The coding refers to table E 1 of the RDS standard xxxx creates a single character from the hex value xxxx 40021 becomes 4000A a line break If Text A B is activated the Text A B bit will be toggled each time the RadioText changes This can happen when changing from Text A to Text B or by filling a tag information from a new playing audio file 8 3 2 Enhanced RadioText Unicode There are 3 Unicode variants available Depending on the chosen variant the encoded byte string for character A looks as follows e UTF 8 0x41 e UCS 2LE 0x41 0x00 little endia
14. a step by step explanation on how to create different FM projects All examples can be downloaded from the following URL http www maintech de multifm 11 1 Sending two Sinusoidal Tones on 100 MHz In this example two sinusoidal tones 110 and 220 Hz are sent on channel 1 on 100 MHz Via remote control the following commands are performed consecutively Command Description new 11 1_remote fm Start new empty project set audio 1 used 1 Add and activate audio source set channel 1 idaudio 1 Choose audio source set channel 1 freq 100 Set channel to 100 MHz set channel 1 used 1 Activate channel sinus should be audible set audio 1 frqi 220 Change frequency for the left channel set audio 1 frq2 110 Change frequency for the right channel set audio 1 name Sinus 1 Change name of the audio source set channel 1 mono 1 Set channel to mono channels are mixed get channel 1 Display values optionally get audio 1 Display values optionally In the MultiFM software you will get the same result doing the following 1 2 3 4 5 6 7 8 9 The status display for channel 1 should be similar to 14 using a receiver both tones should be audible 100 00 MHz lt no RDS gt Choose menu Project New or Ctrl N and choose a new project name Choose Audio Sources and add a new source with the button Source Set the frequencies to L 220 Hz left and R 110 Hz right Edit the source name from Audio 1 to
15. aintech GmbH Phone 49 931 40 70 6 90 Otto Hahn Stra e 15 Fax 49 931 40 70 6 53 D 97204 H chberg http www maintech de Germany mailto docu maintech de maintech 1 Package Contents Following parts are contained in the box 1 MultiFM Modulator Hardware 2 12 Volt power supply 3 RJ45 network cable 4 USB RS232 service cable 5 License sheet 6 newest MultiFM Software from http www maintech de multifm 2 Starting up For the initial start up of the modulator please proceed as follows Install MultiFM software on a computer http www maintech de multifm Connect control computer and modulator 1 using the network cable 3 and switch them on Start MultiFM software on the control computer icon on desktop Choose IP address of the modulator via RS232 see chapter 3 1 and connect Ctrl O Enter licence key if existing Ctrl K oF WN e You will find the software documentation pdf via Menu Help Documentation Ctrl H Starting up has to be done only once if you restart the software and switch the modulator on the connection is reestablished automatically 3 Hardware Settings 3 1 Configuring the Modulator s IP Address Modulator and MultiFM software communicate via Ethernet UDP Therefore both devices must be assigned with IP addresses of the same segment The IP address of the computer can be displayed on the command prompt with ipconfig The modulator has to be assigned
16. amp drop Modulator v21 24 channels e Remote control 8 Figure 6 Audio sources A correctly played out audio file is highlighted in green a faulty or not playable file in red When keeping the mouse pointer still upon the file name or upon the audio source in the channel overview you will see the available tag information artist album in a tooltip In column Audio sources new sources can be set up or existing ones can be changed or deleted A source s attributes are name operation mode sinus ramp or file and the related parameters By drag amp drop the files are assigned to the playlists or sources maintech GmbH 7 1 Constant Sinus You can set frequency and volume separately for the left and right channel If you choose mono both frequencies are transmitted on both L R channels mixed 7 2 Sinus Sweep Ramp You can set starting frequency end frequency volume and period between start and end The ramp is repeated continually on both L R channels 7 3 Audio Files and Playlists A playlist contains a list of audio files that are played back successively When the end of the playlist is reached playback starts again with the first entry To create a new playlist and assign it to an audio source you have to do the following steps 1 Create a new playlist in column Playlists with the plus list button 2 Change the name of the playlist if necessary doubleclick th
17. dio Text Therefore a new project is created and saved afterwards the RadioText is changed continually The following commands are performed consecutively Command Description new 11 5_radiotext fm Create a new empty project set channel 1 idrds 1 Choose RDS source set channel 1 freq 100 Set channel 1 to 100 MHz set channel 1 used 1 Activate channel 1 set rds i used 1 Activate RDS source 1 set rds i rtxt 1 Activate Standard Radio Text set rds i rta 41 42 43 Create RadioText ABC of hex signs set rds 1 2 4 Set sending rate of RadioText group 2 and start transmission save 11 5_radiotext fm Save project get channel 1 Display values optionally get rds 1 Display values optionally Afterwards you can create freely chosen RadioText with set rds 1 rta nn mm For example set rds 1 rta 48 41 4C 4CH4FH 20 57 4F 52 4C 44 creates HALLO WORLD 11 6 Generating two TMC Congestion Announcements In this example two TMC congestion announcements are configured and sent e Create a new project with one channel one RDS and one TMC source e Acticate Group 8 and Group 3 in the RDS Basic Settings e In Group 8 choose TMC 1 as TMC source e Set the Pl Code to D314 see notice in paragraph 9 e Add two traffic announcements in index TMC Sources e Open menu Search Event right mousekey in the traffic announcements e Search for Stau e Pull or enter codes 101 and 352 into the e
18. ds afu rds af rds afs rds afr rds rpa rds rpb rds rpc rds rpd rds rp1 rds rp2 rds zone rds mins rds days rds date rds err rds ber rds fix rds page rds slow rds pin rds fused rds files rds Range 0 1 string string 0 OxfffF 0 1 0 1 0 1 0 31 0 3 list 2 string string string string string string link tmc 0 255 0 65535 0 255 0 255 0 255 0 65535 0 255 0 15 int list int list int list 0 255 0 255 0 255 0 255 0 255 0 255 12 12 h 960 960 min days 0 1 0 255 0 100 0 255 0 255 0 65535 0 65535 0 1 0 6000 dsec Description rds source enabled disabled rds source name program service name program identifier traffic program bit traffic announce bit music speech bit program type decoder bits 3 dynPTY 2 compressed 1 artific O stereo radio text tag 2 values radio text A group 2 radio text B group 2 enhanced radio text C enhanced radio text D program type name 1 program type name 2 used tmc source id radio text plus ODA group radio text plus message bits radio text plus items bits radio text mode amp 1l use radio text amp 2 use enhanced radio text gt gt 2 amp 3 unicode mode amp 16 toggle AB Bit amp 32 group 2B amp 192 group 3 enhanced radio text group enhanced radio text message bits ps scroll mode amp 8 scroll gt gt 4 1 repeat amp 7 rate af bits l use 2 auto 4 manual 8 A B automatic af li
19. e name or press the F2 key 3 4 To assign a playlist to an audio source you have to change the source type to File Then the playlist has to Add several files to the playlist in the right column Files with the plus files button be dropped on the parameter field of the source by drag amp drop Press the left mouse key on the name of the playlist drag the mouse arrow with pressed key onto the audio source until you see a symbol and drop it there If you want only a single file on the playlist to be played in a loop you can pull the file name directly onto the audio source You can copy selected files by drag amp drop to other playlists Finally you should ensure that the newly created audio source is assigned to an RF channel The audio source must be chosen for at least one channel of the channel overview see paragraph 6 2 maintech GmbH 8 RDS sources The RDS generator implements the RDS standard according to DIN EN 62106 Understanding the configurable parameters requires an understanding of the standard and a detailed explanation of the values and of their function would go beyond the scope of the manual Therefore it is assumed that the user of the Multi FM Modulator is well acquainted with the RDS standard MultiFM Generator v2 52 Q Daten 2 multifm test2 fm J l x Project Modulator Help Mors Qu sAr MMMM Basic settings Alternative Frequencies RadioText Log
20. eated Starting from an empty NEW or a pre defined LOAD project the status of the modulator is always known to the remote control Please note If you make alterations in the generator s GUI simultaneously to the remote controlling the related events have to be registered by the remote control REG for their recognition 10 4 RDS Remote Control The Multi FM Software receives on TCP ports 4001 to 4024 line by line the RDS data to be sent out over channels 1 to 24 All formats that can be created in the packet statistics as RDS Log s 8 5 2 can be used here The reply consists of a counter and the current buffer fill state of the RDS queue The counter gives the number of packets received for the current connection A fill state 0 means that there are no more packets to send The internal buffer of the modulator hardware can hold 19 packets that means less than two seconds sending time A higher fill state means that there are more packets waiting in the software to be sent to the hardware An error will be signalled with fill state 1 the RDS packet with number counter was discarded Operation Text Send D314 1234 5678 9ABC d361d283634e4d361398c4830b 0B Test Test Reply 425 51 counter 425 fill state 51 426 52 427 1 51 noRDS The example Client software can open an RDS Log file and send it to any port for demonstration purpose 321 s maintech 11 Application Examples The following examples provide
21. files Packet Statistics Group 15B Bits IV Group 1 Extended country code amp PIN Music Pl Code V dynamic PTY IV stereo J compressed V TP Pager fo Code fo Rate Speech D31 1 10 Pop Music z J artificial head J Ta PIN Jo Data Jeo 10 05 rM Group 0 PS program service name amp AF alternative Frequencies ps RDS 1 I scroling 4x 2 characters 0 2s r IV Group 14 EON enhanced other networks MTA bursts 14BEON 15B T4 1 on TA 1 on none D311 5 0069 Jax Jax none D311 5 0055 ios ios fs TA 1 off fo x fo x x oo s o o s gt Group 4 UTC clocktime and date Zone fi h Time fo min J Date 01 03 2015 z 2013 02 05 15 49 08 1 h rM Group 8 TMC Group 3 ODA TMC source fmc 1 x IV use free Rate 0 3s TMC and eRadioText Identification Rate 4 0 s T Group 10 PTYN program type name Jax ex Test123 Rate 0 55 Vv invert bits z Bit error rate 2 Yo IV per group Correct IV Group M pI M CRC Generate RDS stream with bit errors Modulator v21 24 channels Remote control Figure 7 RDS sources The RDS source configuration consists of several parts Each of them has its own tab in the window Basic settings with options like PI PTY PS etc Alternative Frequencies Radio Text e Packet statistics Each RDS source creates a defined bitstream that can be sent on several cha
22. g to the standard scrolling PS is not allowed and RadioText should be used instead Nevertheless the RDS generator features this function for testing purposes To create a scrolling PS the PS has to be longer than 8 characters Additionally you have to set how often a PS segment 8 characters is repeated and by how many characters the text has advanced afterwards When the PS is sent completely it starts from the beginning again 8 1 3 Group 1 ECC and PIN In Group 1 the extended country code ECC can be transmitted First set Code O and then set Data to the ECC The first character of the PI code is the country code CC The settings for Germany are ECC OxE0 and CC Dorl The program item number PIN contains the scheduled transmission start 5 bit day of the month 1 31 5 bit hour 0 23 and 6 bit minute 0 59 of the currently sent program segment Month 0 e g PIN 0 signals that the PIN is not set 10 maintech GmbH 8 1 4 Group 4 Date and UTC Time In this group date and time can be sent Time is sent once every full minute and the receiver receives the message at second 0 Reference time is the current time of the computer running the software When noticing discrepancies you should check the Windows system time 8 1 5 Group 8 TMC Traffic Message Channel In Group 8 TMC messages are sent if a TMC source has been chosen Apart from that you can configure the applications identification AID that
23. generated e Constant sinus seperately configurable for left and right channel e Sinus sweep ramp with configurable time course e A single audio file ogg vorbis flac wav or mp3 e A playlist consisting of several audio files All audio files have to have a 16 bit two channels 32 44 1 or 48kHz sample rate Some mp3 files may have unknown meta information tags so that they cannot be identified and played out correctly If possible these mp3 files should be converted into xiph formats OGG or FLAC e g by foobar2000 org Using this tool you can also re set the tags e g for RadioText See figure 6 for the configuration of the audio sources MultiFM Generator v2 52 Q Daten 2 multifm test2 fm 18 x Project Modulator Help owe Om leo A FE op Audio sources Playlists Files drag into playlist or source Audio 1 File Playlist 1 Playlist 1 Q MusikfOMC 4 101 Pornophonieque Sad Robot ogg 4udio 2 Fie hs Playlist 2 SomeSongs SomeSongs Q MusikjOMC 4 102 Elaine An einem Dienstag in deinem Vie Sinus sinus L 440 Hz 100 R 880 Hz 100 Q MusikiOMC 4 108 Geist Wer wenn nicht ich ogg Audio 4 Ramp o 440 aor to eso s0 ation 10 s Q Musik OMC 4 112 Velvet June Still ogg Q MusikiOMC 4 115 Cre8radix Haus No 1 0gg Q Musik OMC 4 116 Fuzzy Tunes Karl Heinz Schmitt mp3 Q Musik l OMC 4 219 The Truth About This Chord ogg add to playlist or audio source using drag
24. groups In multi groups they have to be added as optional content with Label 1 Control Code with value 5 diversion bit set and Label 0 duration Description 0 16 bits depends on last event value 0 not allowed value between 0 7 f i 5 for diversion bit set Label 4 bits 0 Duration 1 Control code 2 Length of route affected 3 Speed limit advice 4 Quantifier 5 bits 5 Quantifier 8 bits 6 Supplementary code 7 Explicit start time 8 Explicit stop time 9 Additional event A Diversion instruction B Destination C Reserved Precise Location D Cross link problem source E Separator F Reserved oOCOCOCC oO 31 f i 5 for 5 km 31 f i value 10 means 50 km h 31 depends on last event 255 event specifies which Q is used 255 see supplementary info code table in ISO 14819 2 255 f i 40 for 10 00 am 0 255 11 bit event code 16 bit location code from same LTN 16 bit location code 16 bit 16 bit location code 0 bit no value separate Label 2 and 3 group Label A 18 maintech GmbH 10 Remote Control Remote controlling the MultiFM software is possible by connecting to TCP port 1248 With a simple Telnet program e g Putty in Telnet mode one can send commands and monitor events On request a more comfortable client software with a simple command history and event management is available The following commands are implemented Command Description HELP key Show
25. his channel until TA 0 is recognized again The number of burst groups 14B and their duration can be set separatly for TA 1 and TA 0 If the number is set to 0 no burst will be sent If the duration is O or too low to transmit the number of burst groups in time no other groups will be sent between the burst groups A burst can be triggered by toggling the TA flag of the RDS source in the linked channel or if no channel is given 0 directly by the TA entry in the EON table row 8 1 8 Error Generator The error generator creates intentional bit errors in the transmitted RDS data stream This function enables the simulation of difficult receiving conditions in the lab According to the configured error rate bits are either inverted continually or set to 0 or 1 constantly If the error rate is set to per group the same number of bits are changed in every RDS group One RDS group consists of 104 bits so an error rate of 1 means about one bit per group aie maintech GmbH After the bit errors have been inserted certain parts of the RDS group can be rectified again These parts are the PI code the current group and the CRC This way one can transmit incorrect data with correct CRC to the group related receiver parts as a test This possibility should help finding software errors in decoder parts that get the data not until after the CRC check and therefore cannot receive data errors under normal conditions 8 2 Alternati
26. ion SI consists of Location Table Number LTN Service Identifier SID GAP Parameter Timings Active Window Delay Alternate Frequency Indicator AFI and Message Geographical Scope MGS Bits International National Regional Urban INRU This SI is sent alternating with the TMC Application ID AID usually 0xCD46 in RDS group 3A Thus the TMC service is signalized to the receiver by the ODA mechanism Open Data Applications The repeat field specifies how often each traffic announcement is repeated in direct succession The announcements are transmitted consecutively in RDS group 8A 9 3 Traffic Announcements Each line in the table is equate to one traffic announcement This consists of at least one event and one location To search for a location or event click the right mouse button for a search dialog Hammelburg Search location Code Type Area Ref Street Num Country Name Date Info 1443 A10 329 D BY Hammelburg 26 09 07 16 37 00 W rzburg 9150 L3 329 50518 B287 D BY Hammelburg Bad Kissingen 26 09 07 17 06 00 31428 W rzburg 12293 P13 1164 7191 AT D BY Hammelburg 05 08 09 07 28 23 60732 60733 26024 22403 P3 37 1443 36031 B27 DBY Hammelburg 26 09 07 17 19 00 22402 22404 26023 26023 P3 37 1443 9150 D BY Hammelburg 26 09 07 17 35 00 26024 22403 582502 26024 P13 9150 DBY Hammelburg 26 09 07 17 35 00 26023 31429 12293 50518 D BY Hammelburg M nnerstadt 26 09 07 16 33 00 W rzburg i
27. ist of EON entry 0 remove complete EON list remove all manual set AFs set two manual AFs 95 8 and 102 6 MHz mark AF 95 8 MHz as regional add one TMC message in TMC Source 1 remove all TMC messages in TMC Source 1 In the channel information status changes of the channels 1 24 are displayed These values can be read only but cannot be set Channel Info chinfo chinfo chinfo chinfo chinfo chinfo Examples REG chinfo 1 playpos REG chinfo playing REG chinfo 1 rdslog SET rdslog time raw data group playpos playing playrate dist rdslog n rdscount n Description current playback position 0 1000 current song filename current samplerate minimum distance in MHz to next transmitting channel transmitted RDS Log with n RDS source number number of transmitted RDS blocks 13 Bytes Description monitor playlist position of a song from 0 start to 1000 end monitor song changes of all channels monitor RDS Log of channel 1 configure RDS Log time is the time stamp raw are the 13 Bytes of an RDS block with CRCs data are the 8 Bytes RDS data without CRCs and group is the data extracted RDS group 20 maintech GmbH 10 3 Modulator Status All commands apart from HELP GET and VER produce an OK in case of success or an Error If you get neither OK nor ERROR you have to assume that the UDP packet is lost The command has to be rep
28. maintechs Multi FM Modulator User s Manual for Generator Software v2 61 maintech GmbH Multi FM Modulator User s Manual for Generator Software v2 61 Contents 1 Package Contents 2 Starting up 3 Hardware Settings 3 1 Configuring the Modulator s IP Address 3 2 Connecting the Modulator via Network 3 3 Calibrating PLLs 4 Multi FM Software 5 Project Settings 5 1 Creating Saving and Reloading Projects 5 2 Switching Frequency Band Europe Japan 5 3 Stopping and Resuming Modulation 6 Configuring Channels 6 1 Frequency Attenuation Volume 6 2 Choosing Audio and RDS Sources 6 3 Status Icons Muting Channel Editor 7 Audio Sources 7 1 Constant Sinus 7 2 Sinus Sweep Ramp 7 3 Audio Files and Playlists 8 RDS sources 8 1 Basic Settings Group 15B 8 1 1 Group 0 15B Flags PI Code and PTY 8 1 2 Group 0 PS AF TA Program Service 8 1 3 Group 1 ECC and PIN 8 1 4 Group 4 Date and UTC Time 8 1 5 Group 8 TMC Traffic Message Channel 8 1 6 Group 3 ODA Open Data Applications 8 1 7 Group 14 EON Enhanced Other Networks 8 1 8 Error Generator AHL w NNR ooo ol o o N 8 2 8 2 1 8 2 2 8 3 1 8 3 2 8 3 3 8 4 8 5 8 5 1 8 5 2 9 1 9 2 9 3 9 4 10 10 1 10 2 10 3 10 4 11 11 1 11 2 11 3 11 4 11 5 11 6 12 Alternative Frequencies AF Channel Automatic Method A B RadioText 0 2 2 002 Standard RadioTex
29. mmand is missing a short description will be shown f i for SET set key data example SET channel 1 freq 88 For a list of all available parameters and their description see chapter 12 The paths for the commands DIR NEW LOAD SAVE can be set absolutely C Users or relatively fmfiles to the open project file Important All character strings have to be sent as UTF 8 code 10 maintec GmbH 10 1 List Management Ng The commands ADD SET and DEL are used to manage lists List Key playlist N rds N af rds N afs rds N afr rds N eon rds N eon af rds N rttag rds N files tmc N Example get rds 1 eon add rds 1 eon 0 d311 1234 set rds 1 eon 2 0 d311 5678 del rds 1 eon 2 set rds 1 eon 0 af 958 1030 add rds 1 eon 0 af 1026 del rds 1 eon del rds 1 afs set rds 1 afs 958 1026 set rds 1 afr 958 add tmc 1 1234 del tmc 1 10 2 Channel Info RDS Log Description song list for playlist N sent AF list of RDS Source N read only manual AF Alternative Frequencies list entries regional AF entries within manual AFs EON value list AF list of an EON entry Radio Text tag list list of RDS log files to play out instead of using the generator TMC message list of TMC Source N Description list all EON entries add one EON entry change EON entry 2 if existing remove EON entry 2 if existing set AF to 95 8 and 103 0 MHz for EON entry 0 add 102 6 to AF l
30. n e UCS 2BE 0x00 0x41 big endian The description in the RDS standard doesn t state explicitly which of both UCS 2 codings table E 2 has to be used Therefore the software features both formats Correspondingly to normal RadioText one can create a Unicode character directly with xxxx With RadioText applies to eRT the RT eRT Flag in group 3A can be set If set the tags from RT are valid for the enhanced RadioText if not for the standard RadioText in group 2 8 3 3 RadioText Plus RT Using RT one can mark certain areas in RadioText and use them as data fields position length A possible application is e g signalling the position of the componist s name or the song title in the text With each line a tag is defined and numbered consecutively with n The RadioText You hear 0 from 1 includes the references 0 and 1 In the first line 0 the tag Item Title in the second line 1 the tag Item Artist is chosen If a Vorbis file with ID3 tags is played as the audio source of the channel the RT tags from the ID3 tags are transferred automatically Otherwise the text deposited in the table is used for the tags 8 4 Play Back RDS Log Files Instead of generating a new RDS signal it is possible to play a recorded RDS log from a file The requested files have to be added in the Log files tab All lines from all files are sent continually After the last line of the last file the playout start
31. n be repeated by the customer if necessary To realign the PLLs follow these steps 1 2 3 O ON DO Ff Start Multi FM Software see figure 2 Connect service cable 4 to computer USB and modulator RS232 Configure the system to use the European FM frequencies and start two channels one at 93 and one at 103 MHz with the following parameters e No audio e No RDS e Mono e 0 dB attenuation Choose Menu Modulator Config Choose COM port the MAC address will be displayed Control 93 MHz deviation with a spectrum analyser Center 93 Span 4 kHz Set PLL Offset 1 for frequencies lower than 98 MHz Confirm by Save or Enter start again at step 6 if necessary Control 103 MHz deviation with a spectrum analyser Center 103 Span 4 kHz Set PLL Offset 2 for frequencies above 98 MHz 11 Confirm by Save or Enter start again at step 9 if necessary maintechs 4 Multi FM Software The Multi FM software is structured in four main categories Channel overview audio sources RDS sources and TMC sources The channel overview functions as distributing matrix for all channel settings audio RDS TMC and for the configuration of the HF parameters As you can see in figure 2 you can switch between the different categories using the tabs in the upper part of the window Right next to the tabs a schematic representation of the output signal spectrum is shown green lines with the expected i
32. n the frequency displayed by the receiver Attenuate and amplify the signal level of all three channels and observe the receiver performance At which attenuation n dB does it change the channel Is there a hysteresis in dB 11 4 Enhanced RadioText with RadioText In this example a RadioText is configured and sent with additional RT tags Create a new project with one channel and one RDS source Activate in RDS Sources part RadioText Send RadioText Enter You re hearing 0 by 1 in the first line Activate Send RadioText Tags Add two lines with the tags Item Title and Item Artist Enter a track for Item Title Enter an artist for ltem Artist NOOR WBN Ee Now you should see the following RadioText in the receiver You re hearing a track by an artist If you play out tracks with ID3 tags the RadioText will change e g You re hearing Pass This On by The Knife Repeat the same with enhanced Radio Text 1 Deactivate Send RadioText and activate Send enhanced RadioText 2 Enter You re hearing 0 by 1 in the first line 3 Activate Group 3 in the RDS Basic Settings If you can see no RadioText anymore please change the Unicode coding until the receiver displays the text see paragraph 8 3 2 24 maintech GmbH 11 5 Sending Hex Signs with RadioText In this example hex signs are sent in the Ra
33. nnels frequencies independently The channel tab shows which RDS bitstream is sent on which channel see figure 2 and allows to set it see paragraph 6 2 If no RDS source is chosen lt no RDS gt no RDS carrier is sent on the channel In all other cases a RDS carrier is generated as well in mono as in stereo mode The packet statistics allows analysis of the transmitted bitstream blocks or groups depending on nomenclature It also helps verify that the information really arrives at the RF signal at the necessary rate Apart from that you can save the created datastream in a file to analyse it with an alternative software or to play it out without the need to rebuild the configuration etc maintech GmbH 8 1 Basic Settings Group 15B The basic settings in figure 7 include the most commonly used flags RDS groups and an error generator that generates intentional bit errors in the created RDS data stream e g for fuzzing If no further RDS groups are defined only 15B groups are created in the bitstream 8 1 1 Group 0 15B Flags PI Code and PTY The flags set several bits for music speech traffic program TP traffic announcement TA and the decoder information Changing a flag or other parameters immediately affects all channels transmitting this RDS source Setting e g the TA flag makes a compliant FM radio switch to the traffic announcement mode These flags are transmitted in groups OA OB and 15B The PTY
34. ntermodulation products red parts and a display for the currently chosen VHF frequency range Europe Japan On the right you find the On Air button which enables or disables the HF signal at the output At the bottom of the window the status line displays the hardware status green indicator for an existing network connection to the hardware hardware version and number of activated channels The status line also contains an indicator for remote control For every channel the main window contains a configuration panel A detailed description of the configuration options can be found in chapter 6 Multi m Generator 2 52 Q Daten 2 multifm test2 fm Project Modulator Help Channels amp wie CB ros Am RDS source no 1 RDS 1 TMC source TMC 1 Bit error rate 2 ors AF auto 87 8 89 0 89 2 90 7 104 1 MHz AF man 95 8 102 6 Modulator v21 24 channels Remote control Figure 2 Multi FM channel overview maintech GmbH 5 Project Settings The Multi FM software manages all settings in a project that can be saved and reloaded Thus it is possible to switch between complete sets of parameters and to prepare different test scenarios and process them systematically 5 1 Creating Saving and Reloading Projects e Choose project New or Ctrl N to set up a new empty FM project e Save a project with Project Save Ctrl S under a new name e Open an
35. on can be chosen arbitrarily between 0 and 130 kHz The channel editor allows to copy the settings to all other channels or a selected range of channels Channel Settings Preemphasis none 50ps 50 kHz 75 kHz D 7Sps Deviation 75 kHz Samplerate 32 kHz 44 1 kHz 48 kHz Channel Mode Mono Stereo kHz Auto a Attenuation 0 0 5 dB v Copy settings to these channels all From 2 to Figure 5 Status icons and channel editor The green dots that are displayed in a 3x3 grid for each channel correspond to the settings in the channel editor The dots and the stereo symbol can be clicked directly switching the related setting This way settings can be changed faster than by opening the channel editor When the mouse rests a moment on an option the current value is displayed in a tooltip window Additionally the channel overview displays three bargraphs representing the following values e On the left the audio PCM fifo fill level is displayed from red to green for empty to full e In the middle the RDS TMC fifo fill level is displayed colors similar to audio e On the right the multiplex power is displayd in dB from blue to white The multiplex power depends on the audio source volume Ideally the volume should be chosen thus that the value is about 0 dB maintech GmbH 7 Audio Sources For audio sources the following signals can be
36. s are repeated continually 87 70 MHz RDS 1 H o e 048 40 lAudio 1 88 50 MHz lt no RDS gt _ e 0 aB 40 l lt no audio gt 89 70 MHz RDS 1_ __ amp A 0dB 40 Au io 3 Figure 15 Play out three audio files on three channels 93 maintech GmbH 11 3 Automatic Change of channel via AF Alternatice Frequencies are transmitted in the RDS signal of a channel In this example the automatic change to a stronger channel is simulated For this the example from paragraph 11 2 is extended An RDS source that transmits the AFs of the other channels is added to the three channels When the tuned signal is attenuated an AF enabled receiver should switch to another stronger channel Open the example from paragraph 11 2 and do the following steps Choose RDS Sources and add a source with Source Change to tab Alternative Frequencies Activate Send AF in Group 0 and Channel Automatic see paragraph 8 2 1 Activate Group 0 in Basic Settings Choose the Channel tab Set the RDS sources for the channels 1 3 to RDS 1 Check the currently set receiver frequency or the music track ON DO FWY FE Attenuate the signal of this frequency gradually with the attenuation slider At a certain signal level the receiver should switch to one of the stronger channels You can observe this change in the played music or i
37. s with the beginning of the first file again Paragraph 8 5 2 describes how to save an RDS log file To create faulty CRCs too there is a special format ABCD D314 1592 6535 8979 If there is a 0 in the place of A B C or D the correct CRC for the relevant block is computed and inverted In Raw format the CRC values can be set directly 13 bytes of these 4 x 10 bits CRC 14 maintech GmbH 8 5 Packet Statistics 8 5 1 General amp MultiFM Generator 2 52 Q Daten 2 multifm test2 fm Project Modulator Help KP cremas CB vs A RDSsources Basic settings Alternative Frequencies RadioText Logfiles Packet Statistics Packet counter RDS 2 Coa a 183 26 3 0 335 oO ia 2 0 6 9 255 oO 2a 41 13 0 0 66s 3A 33 10 4 0 825 O 7 33 10 4 0 825 8A 55 17 4 0 505 OO 94 41 13 0 0 66 s Oi 27 8 5 0 995 Sum 316 100 0 0 09s selected groups will be logged 48 1 0 3 13 88 s Channel 1 RDS Source 1 7 l led Save log Ele Time J Raw MV Group J pty J TeTAmMS DI J CRC Modulator v21 24 channels s Remote control 6 Figure 10 Packet statistics The packet statistics display the sent RDS packets itemized in groups for one channel at a time using the currently chosen RDS source The log can be filtered by choosing several groups 8 5 2 Save RDS Log File Additional information e g timestamp group or number of CRC
38. st 0 1 MHz kHz read only 876 16100 manual af list 0 1 MHz kHz 876 16100 rds regional af list for method B radio text A repeat radio text B repeat radio text C repeat radio text D repeat program type 1 repeat program type 2 repeat group 4 UTC zone hour offset amp 32 mins amp 64 days group 4 minute offset group 4 fix date days since 1 3 1900 group 4 use 0 date of today 1 fix date from days error generator O invert 1 set to 0 2 set to 1 amp 128 on bit error rate for error generator fix bits l crc 2 group 4 pi amp 128 exact ber bits per group group 1 radio paging 5 bits group 1 slow labeling code group 1 program item number play log files on off play log file list group 0 15 transmission rate set to 4 to send group each 0 4 seconds 297a maintech GmbH Parameter rds eon rds eon ps rds eon af rds eoc1 2 rds eot1 2 rds buc1 2 rds but1 2 tmc used tmc name tmc flag tmc ltn tmc sid tmc aid tmc gam tmc awd tmec rpt tmc rate tmc enc tmc skt tmc Range hex list 6 string list 876 16100 0 100 0 100 0 100 0 100 0 1 string int 1 63 0 63 hex 0 255 int 1 50 1 255 0 31 hex list int list Description eon data of exact 6 hex values Channel PI PTY TP TA Link eon program service name eon alternate freq list x10 876 87 6 MHz 16100 1610 kHz eon ta on off burst count eon ta on off burst time in dsec group 15B ta
39. t Group 2 Enhanced RadioText Unicode RadioText Plus RT Play Back RDS Log Files Packet Statistics General Save RDS Log File TMC Sources Preconditions System Information Traffic Announcements Additional Content Remote Control List Management Channel Info RDS Log Modulator Status RDS Remote Control Application Examples Sending two Sinusoidal Tones on 100 MHz Sending Three Different Audio Files on Three Channels Automatic Change of channel via AF Enhanced RadioText with RadioText Sending Hex Signs with RadioText Generating two TMC Congestion An nouncements Parameter List 19 20 20 21 21 22 22 23 24 24 25 25 26 maintech GmbH 2014 10 30 12 36 The information in this manual was compiled with care and to our best knowledge nevertheless there are probably some errors left in this document maintech GmbH does not take legal or any other responsibility for damages that can result from possible errors in this manual or in the software We are happy to receive your feedback If you found an error or think that something should be explained in greater detail don t hesitate to contact us This document is protected by copyright law All trademarks brand names etc are owned by their lawful owners and are used in this document only for the description of operations and suchlike m
40. t right arrow keys the frequency can be changed in kHz steps To reach the intended frequencies as close as possible it may be neccessary to calibrate the PLL units s chapter 3 3 It is also possible to enter 958 to set the frequency to 95 8 MHz directly The adjustments of attenuation and volume work correspondingly 6 2 Choosing Audio and RDS Sources Different channels are able to send the same audio or RDS data Therefore the software distinguishes different audio and RDS sources that refer to the channels in the channel overview The mechanism is like a switching matrix which is able to route different input signals to the outputs Clicking the audio or RDS source of a channel opens a list of all available sources The right mouse key opens a menu that allows a quick jump to the configuration page of the chosen source If no RDS source is chosen lt no RDS gt no RDS carrier is sent on the channel In all other cases a RDS carrier is generated as well in mono as in stereo mode maintech GmbH 6 3 Status Icons Muting Channel Editor Clicking the button with the loudspeaker symbol mutes the audio source temporarily the RDS TMC datastream is still transmitted which means that the HF channel stays active Clicking the button with the gearwheel symbol opens the channel editor see figure 5 The channel editor allows the setting of preemphasis frequency deviation sample rate and mono stereo mode The frequency deviati
41. ve Frequencies AF If activated AFs are transmitted in 0A groups together with PS amp Multi m Generator 2 52 Q Daten 2 multifm test2 fm a x Project Modulator Help Channels amp ws CB vs Aw Basic settings Alternative Frequencies RadioText LogFiles Packet Statistics riM Group 0 Transmit alternative frequencies IV Automatic channel operation IV manual frequencies CACB 87 8 MHz 95 8 MHz 9 AFs foll 89 0 MHz 89 0 MHz 102 6 MHz i 89 0 MHz 89 2 MHz h 89 0 MHz 89 0 MHz 102 6 MHz F1 gt F2 regional Modulator v21 24 channels Remote control Figure 8 Alternative frequencies in RDS 8 2 1 Channel Automatic The channel automatic mode finds the frequencies of all channels using the same RDS source This means that all frequencies that belong to a certain transmitting station same PI PS are used All these channels are transmitting the frequencies of the other channels automatically in the AFs in group 0 Additionally one can add frequencies manually even if they are not transmitted by the FM modulator e g to include the frequencies of transceivers with a different PI l2 maintech GmbH 8 2 2 Method A B The standard defines two methods for the encoding of the AF Procedure A transmits a list with up to 25 AFs Procedure B can be used for bigger lists or when it is necessary to mark regional stations similar programs with different Pl Double
42. vent fields e Open menu Search Location e Search for Kist e Pull or enter codes 10849 and 10851 into the location fields e Activate an channel and choose RDS 1 as RDS source Configure your receiver to display traffic announcements It may be necessary to connect an GPS antenna to your receiver 25 maintec GmbH 12 Parameter List Ng The following parameters can be changed via the GUI or via remote control The parameters are separated into groups Groups Name channel Channels chinfo Channel information audio Audio Sources playlist Playlists tmc TMC Sources rds RDS Sources Description 1 24 channel number 1 24 channel number read only number of the Audio Source number of the Playlist number of the TMC Source number of the RDS Source To set and get a parameter the number must be provided Parameter channel used channel freq channel gain channel volm channel mute channel mono channel devi channel emph channel rate channel auto channel aof channel att channel rds channel idrds channel idaudio chinfo playpos chinfo playing chinfo playrate chinfo dist chinfo rdslog chinfo rdscount Parameter audio used audio name audio type audio frq1 audio frq2 audio voll audio vol2 audio time audio file playlist name playlist Range 0 1 87 5 108 MHz 60 0 dB 0 100 0 1 0 1 0 130 kHz 0 1
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